Computers

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1) Is it plugged in?

2) Does it have viruses? If it does, you may need to restore your system files.

3) What part is not working? (Is it the software or the hardware?)

4) Is your computer out of space? If your computer has a full memory, you might need to uninstall any computer games that are unnecessary or unused. You may also have to do a disk defragmenter or a disk clean-up to get more space.

Yes.. it reduces the time taken by the Hard drive to search for a file . thus, improving performance..

when you delete files and copy/make new ones.. they may appear sorted ( as in folders and disk drives).. but inside the Hard drive they are not in the same place but scattered over the magnetic disks (platters).

So when you open a program.. the hard disk has to look for the essential files all over the platters and hard disks have 1 - 3 platters.. so searching all of them is time taking

after the Defrag all the files are organised and when u open the same program the hard drive has to look only in one location to get all the essential files..reducing access time.

laptop because you can do more stuff and both are portable

Some of the more popular brands are AVADirect Core 2 SLI, FalconNortwest Mach V, and Dell XPS 730 H2C.

There is no single part of a computer that is more important than another. A computer needs all the parts in order to run. If one is missing the computer wont work correctly or at all. It is like many other machines, if one even small piece is missing or not installed correctly the computer won't work. If I had to choose just one though I would probably have to say the Processor.

It is hard to give a definite answer to this question, because ALL computer companies covers a great deal of companies. However, most companies, including computer companies, have a help desk, or an FAQ section for customers to receive assistance.

they are the printer, graphic scanner, light pen, plotters, mouse, trackball, magnetic ink, printer ribbon, printer papers, printing ink & toner, diskettes etc

the device is the hardware

What is a card inside a notebook that converts voltage to CPU core voltage?

A CD Contains Data in Tiny "Bumps" and "Lands". Information on CD is stored this way.¨

A Laser Reads the Bumps on a CD. A CD's bumps are so tiny, far too small for a human eye or mechanical device to detect, but large enough for a laser to read.

Light Sensors and Processors Interpret the Data as each bump each kept on the CD as 1 and 0(binary). This processor interprets the ones and zeros to assemble bytes of data which can then be forwarded to the computer's main processor for interpretation. The computer interprets this data as it was originally written on the CD, whether as a complex computer program, a basic collection of files or even simple music. As technology progresses and processor speeds increase, the CD can be spun at higher and higher rates, allowing the data on the disc to be read and sent to the processor, interpreted and used more quickly.

A Server

Depends on the network topology (design). Is the topology a token-ring, star, bus, etc? Server is usually the correct answer in general, but you also have switches, routers, and on older networks, hubs. Some old networks didn't use servers at all. All of the computers combined made up the "server" so to speak as they were all directly linked to one another such as in a bus topology. The problem with bus is that if on computer goes down, the entire network goes down.

One of the major uses of computers in business is to compile data, financial calculations and reports, and reports of many different kinds. Business, institutions, and organizations depend on information, their own as described above and research from outside sources. They're also used for sales and other proposals, publishing internal information, publicity, correspondence, and yes, emails!

These are just the most common uses of computers at work, there are thousands of other, individual applications for individual needs that are specific to that business, company, organization, or other work environment.

d: Line

A digital system can recognize digital data i.e. data only in form of 0 & 1, if data is not in digital form we have to convert it using analog to digital converters.

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When dealing with large quantity of binary numbers of many bits, it is easy and more efficient for us to write the numbers in octal form. This system is used to express large numbers as used in computers e.g. 16 bits or 32 bits used to express data, memory address, instruction code, processor status etc. Moreover, octal multiplication and division are more easy than the hexadecimal number system. As they are complex because they make use of alphabets 'A' to 'F' after 0 to 9. -

The maximum distance an IrDA device can trasmit is 1 meter. The effective range between two IrDA devices is 2 meters.

Digital divide is defined as the gap between those people that have access to the Internet versus those who do based on; class, race, age, skill, geographical location and the willingness to learn. However, some experts say there is more of a multidimensional view and that it cannot be defined by simply one sentence.

"I had to convert the data from the chart into a bar graph.

calculators, um your input output cords tv to DVD (audio video IO), net bios, your computer (press F2 next time you turn it on before windows/mac starts). basic input/output system or syntax.

We can ensure the required hardware's are install or not through by the click of my computer property and then hardware tab and then driver singin...here will be list or required hardware and installd hardwares..

form_title= Laptop Repair form_header= Problems with your laptop? Hire an expert. Please describe the problem in detail.*= _ [50] What is the make and model of your laptop?*= _ [50] Is your laptop still under warranty?*= () Yes () No Do you want to purchase replacement parts?*= () Yes () No

Students can access teachers, resources, and assignments via the web whenever and wherever they have an internet connection. For students who need to spend more time practicing a concept, online exercises and curriculum can also help them work at their own pace and still keep up with their peers.